(2S,5S,3Z)-3-bromo-O-tert-butyldimethylsilyl-6-methyl-5-[N-(2,4,6-trimethylphenylsulfonyl)amino]hept-3-en-2-ol

Base Information

Chemical Name:(2S,5S,3Z)-3-bromo-O-tert-butyldimethylsilyl-6-methyl-5-[N-(2,4,6-trimethylphenylsulfonyl)amino]hept-3-en-2-ol
CAS No.:405933-36-0
Molecular Formula:C₂₃H₄₀BrNO₃SSi
Molecular Weight:518.631
Hs Code.:

Synonyms:(2S,5S,3Z)-3-bromo-O-tert-butyldimethylsilyl-6-methyl-5-[N-(2,4,6-trimethylphenylsulfonyl)amino]hept-3-en-2-ol

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Chemical Property of (2S,5S,3Z)-3-bromo-O-tert-butyldimethylsilyl-6-methyl-5-[N-(2,4,6-trimethylphenylsulfonyl)amino]hept-3-en-2-ol

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Technology Process of (2S,5S,3Z)-3-bromo-O-tert-butyldimethylsilyl-6-methyl-5-[N-(2,4,6-trimethylphenylsulfonyl)amino]hept-3-en-2-ol

There total 5 articles about (2S,5S,3Z)-3-bromo-O-tert-butyldimethylsilyl-6-methyl-5-[N-(2,4,6-trimethylphenylsulfonyl)amino]hept-3-en-2-ol which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 44.0%

: 18162-48-6
tert-butyldimethylsilyl chloride

: N-((Z)-(S)-3-Bromo-4-hydroxy-1-isopropyl-pent-2-enyl)-2,4,6-trimethyl-benzenesulfonamide

: 405933-36-0
(2S,5S,3Z)-3-bromo-O-tert-butyldimethylsilyl-6-methyl-5-[N-(2,4,6-trimethylphenylsulfonyl)amino]hept-3-en-2-ol

: 405933-34-8
(2R,5S,3Z)-3-bromo-O-tert-butyldimethylsilyl-6-methyl-5-[N-(2,4,6-trimethylphenylsulfonyl)amino]hept-3-en-2-ol

Guidance literature:: With 1H-imidazole; In N,N-dimethyl-formamide; at 20 ℃; for 3h;
DOI:10.1021/jo016320y

Reference yield:

: 139192-50-0
(2S)-N-(2,4,6-trimethylbenzenesulfonyl)-2-amino-3-methyl-butanol

: 405933-36-0
(2S,5S,3Z)-3-bromo-O-tert-butyldimethylsilyl-6-methyl-5-[N-(2,4,6-trimethylphenylsulfonyl)amino]hept-3-en-2-ol

Guidance literature:: Multi-step reaction with 5 steps

1.1: (COCl)2; DMSO; diisopropylethylamine / CH₂Cl₂ / -78 - 0 °C

2.1: 7.43 g / CHCl₃ / 0 °C

3.1: Br₂; 1-hexene / CH₂Cl₂ / -78 - 20 °C

3.2: 75 percent / DABCO / CH₂Cl₂ / 0 °C

4.1: DIBAL-H / CHCl₃; toluene / -78 °C

5.1: 34 percent / imidazole / dimethylformamide / 3 h / 20 °C

With 1H-imidazole; 1-hexene; oxalyl dichloride; bromine; diisobutylaluminium hydride; dimethyl sulfoxide; N-ethyl-N,N-diisopropylamine; In dichloromethane; chloroform; N,N-dimethyl-formamide; toluene;
DOI:10.1021/jo016320y

Reference yield:

: 148838-43-1
N-((S)-1-Formyl-2-methyl-propyl)-2,4,6-trimethyl-benzenesulfonamide

: 405933-36-0
(2S,5S,3Z)-3-bromo-O-tert-butyldimethylsilyl-6-methyl-5-[N-(2,4,6-trimethylphenylsulfonyl)amino]hept-3-en-2-ol

Guidance literature:: Multi-step reaction with 4 steps

1.1: 7.43 g / CHCl₃ / 0 °C

2.1: Br₂; 1-hexene / CH₂Cl₂ / -78 - 20 °C

2.2: 75 percent / DABCO / CH₂Cl₂ / 0 °C

3.1: DIBAL-H / CHCl₃; toluene / -78 °C

4.1: 34 percent / imidazole / dimethylformamide / 3 h / 20 °C

With 1H-imidazole; 1-hexene; bromine; diisobutylaluminium hydride; In dichloromethane; chloroform; N,N-dimethyl-formamide; toluene;
DOI:10.1021/jo016320y